Jaap de Groot (1944)
Netherlands (NED)
July 1944 (M75)
Personal Records
| 500m | 54,35 | 26 March 2003 | Heerenveen (NED) |
| 1000m | 1.50,73 | 6 March 2003 | Haarlem (NED) |
| 1500m | 2.42,60 | 26 March 2003 | Heerenveen (NED) |
| 3000m | 5.49,85 | 3 March 2007 | Haarlem (NED) |
| 5000m | 10.10,05 | 24 February 2008 | Haarlem (NED) |
Season Bests
| 500m | 59,64 | 2 January 2011 | Haarlem (NED) |
| 1000m | 2.01,53 | 21 November 2010 | Haarlem (NED) |
| 1500m | 3.04,82 | 2 January 2011 | Haarlem (NED) |
| 3000m | 6.21,05 | 5 March 2011 | Haarlem (NED) |
| 500m | 58,56 | 27 February 2010 | Haarlem (NED) |
| 1000m | 1.59,59 | 10 January 2010 | Haarlem (NED) |
| 1500m | 3.09,58 | 9 January 2010 | Haarlem (NED) |
| 3000m | 6.16,02 | 27 February 2010 | Haarlem (NED) |
| 500m | 56,94 | 28 February 2009 | Haarlem (NED) |
| 1000m | 1.55,87 | 11 October 2008 | Haarlem (NED) |
| 1500m | 2.59,70 | 27 December 2008 | Haarlem (NED) |
| 3000m | 6.03,35 | 28 February 2009 | Haarlem (NED) |
| 5000m | 10.30,01 | 1 March 2009 | Haarlem (NED) |
| 500m | 58,09 | 14 October 2007 | Haarlem (NED) |
| 1000m | 1.55,15 | 18 November 2007 | Haarlem (NED) |
| 1500m | 2.53,32 | 24 February 2008 | Haarlem (NED) |
| 3000m | 5.54,40 | 27 January 2008 | Haarlem (NED) |
| 5000m | 10.10,05 | 24 February 2008 | Haarlem (NED) |
Results
| Clubkampioenschappen IJsclub Haarlem e.o. | Haarlem (NED) | 5 - 6 March 2011 | ||||||||||||||||
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| IJsclub Haarlem Vierkampen 2011 (Part 2) | Haarlem (NED) | 9 January 2011 | ||||||||||||||||
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| IJsclub Haarlem Vierkampen 2011 (Part 1) | Haarlem (NED) | 2 January 2011 | ||||||||||||||||
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| Baanwedstrijd Neo - Sen - Mas | Haarlem (NED) | 21 November 2010 | ||||||||||||||||
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| Clubkampioenschappen IJsclub Haarlem | Haarlem (NED) | 27 - 28 February 2010 | ||||||||||||||||
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Native Language Names